Influence of the Nitrided Layer Structure on the Micro-Pitting and Wear Behavior of Slow-Running Nitrided External Gears

Nitriding can significantly increase the load carrying properties of gears.While the diffusion layer is primarily responsible for improving the tooth root and flank load carrying capacity, the compound layer mainly determines the tribological properties of the gear surface.In the present work, the influence of the compound layer on the tribological

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The value of unenhanced CT in the diagnosis of acute appendicitis

OBJECTIVE: To establish the accuracy of unenhanced CT in the preoperative JUMPER diagnosis of acute appendicitis.DESIGN: Accuracy study, prospective and blinded.SETTING: The University Hospital.PARTICIPANTS: 52 patients with clinical and laboratorial manifestations of acute appendicitis.CT diagnosis was made by: presence of an abnormal appendix, ap

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Classification of Monkeypox Images Based on Transfer Learning and the Al-Biruni Earth Radius Optimization Algorithm

The world is still trying to recover from the devastation caused by the wide spread of COVID-19, and now the monkeypox virus threatens becoming a worldwide pandemic.Although the monkeypox virus is not as lethal or infectious as COVID-19, numerous countries report new cases daily.Thus, it is not surprising that necessary precautions have not been ta

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